Retraction notices

A Study on the Design of English Speaking Examination System Based on SSM Framework

Type
Retraction
Notice date
8/9/2023 0:00
Journal
Journal of Sensors
Publisher
Hindawi
Notice DOI
10.1155/2023/9756421
Original paper DOI
10.1155/2022/5239463

Reasons

Matching venue names

Name match only, not an authoritative journal identifier.